Full Stack Developer Java React Consultant
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This is a consultancy mission at a client site, where you will represent Keystone Solutions as a Full Stack Developer (Java/React). As a Keystone Solutions consultant, you will be hired to work on client projects, bringing your expertise and our values to every engagement.
Responsibilities
~1 min read- →Translate requirements into high quality code.
- →Design, build, and maintain high performance, reusable, and reliable Java code based on Spring Framework.
- →Collaborate with cross-functional teams to ship new features.
- →Work with outside data sources and APIs.
- →Ensure the best possible performance, quality, and responsiveness of the application.
- →Unit-test code for robustness, including edge cases, usability, and general reliability.
- →Identify and correct bottlenecks and fix bugs.
- →Help maintain code quality, organization, and automatization.
You will join a highly visible team at the client, working at the epicentre of all customer channels. The mission involves maintaining and evolving existing applications, migrating legacy systems, integrating with third parties, and working on both front-end and back-end topics. You will be part of an Agile squad, collaborating with internal and external team members, and expected to build a mid/long-term relationship with the team.
Requirements
~1 min read- At least 4 years of relevant experience as a Full Stack Developer.
- Proven knowledge of Java, Spring, Maven, RESTful APIs, Oracle DB, React, Node.js.
- Experience with SVN/Git (Gitlab or alternative), Jenkins, SonarQube, Fortify, Confluence, JIRA.
- Knowledge of Continuous Integration/Deployment principles.
- Familiarity with Docker, Containers, and Groovy.
- Understanding of clean code principles, OO principles, DDD, design patterns, and SOLID principles.
- Experience with test-driven development.
- Practical experience with Scrum and Agile methodologies.
- Bachelor/Master degree or equivalent by experience.
- Sound knowledge of English (knowledge of a local language is a plus).
- Positive attitude and pragmatism.
- Thirst for knowledge and knowledge sharing.
- Team-oriented mindset with a focus on collective success.
- Continuous learning and improvement.
- Ability to challenge requirements and propose improvements.
What We Offer
~1 min readIf you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.
Location & Eligibility
Listing Details
- First seen
- June 12, 2026
- Last seen
- June 12, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 51%
- Scored at
- June 12, 2026
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